#define _SHERLOCK_LIB_H
#include "lib/config.h"
+#include <stdarg.h>
/* Tell libc we're going to use all extensions available */
#define STRINGIFY(x) #x
#define GLUE(x,y) x##y
#define GLUE_(x,y) x##_##y
+#define COMPARE(x,y) do { if ((x)<(y)) return -1; if ((x)>(y)) return 1; } while(0)
+#define REV_COMPARE(x,y) COMPARE(y,x)
/* Logging */
#define L_FATAL '!' /* die() */
extern char *log_title; /* NULL - print no title, default is log_progname */
+extern char *log_filename; /* Expanded name of the current log file */
+extern int log_switch_nest; /* log_switch() nesting counter, increment to disable automatic switches */
+extern int log_pid; /* 0 if shouldn't be logged */
+extern void (*log_die_hook)(void);
+struct tm;
+extern void (*log_switch_hook)(struct tm *tm);
void log_msg(unsigned int cat, const char *msg, ...) __attribute__((format(printf,2,3)));
#define log log_msg
+void vlog_msg(unsigned int cat, const char *msg, va_list args);
void die(byte *, ...) NONRET;
-void log_init(byte *);
-void log_file(byte *);
+void log_init(byte *argv0);
+void log_file(byte *name);
void log_fork(void);
+void log_switch(void);
#ifdef DEBUG
void assert_failed(char *assertion, char *file, int line) NONRET;
#define ASSERT(x) do { if (__builtin_constant_p(x) && !(x)) assert_failed(); } while(0)
#endif
+#define COMPILE_ASSERT(name,x) typedef char _COMPILE_ASSERT_##name[!!(x)-1]
+
#ifdef LOCAL_DEBUG
#define DBG(x,y...) log(L_DEBUG, x,##y)
#else
#define DBG(x,y...) do { } while(0)
#endif
+static inline void log_switch_disable(void) { log_switch_nest++; }
+static inline void log_switch_enable(void) { ASSERT(log_switch_nest); log_switch_nest--; }
+
/* Memory allocation */
#ifdef DEBUG_DMALLOC
#endif
void *xmalloc_zero(unsigned);
-byte *stralloc(byte *);
+byte *xstrdup(byte *);
/* Content-Type pattern matching and filters */
void randomkey(byte *buf, uns size);
+/* exitstatus.c */
+
+#define EXIT_STATUS_MSG_SIZE 32
+int format_exit_status(byte *msg, int stat);
+
+/* runcmd.c */
+
+int run_command(byte *cmd, ...);
+void NONRET exec_command(byte *cmd, ...);
+void echo_command(byte *buf, int size, byte *cmd, ...);
+int run_command_v(byte *cmd, va_list args);
+void NONRET exec_command_v(byte *cmd, va_list args);
+void echo_command_v(byte *buf, int size, byte *cmd, va_list args);
+
+/* carefulio.c */
+
+int careful_read(int fd, void *buf, int len);
+int careful_write(int fd, void *buf, int len);
+
+/* sighandler.c */
+
+typedef int (*sh_sighandler_t)(int);
+ /* obtains signum, returns nonzero if abort() should be called */
+extern sh_sighandler_t signal_handler[];
+
+struct sigaction;
+void handle_signal(int signum, struct sigaction *oldact);
+void unhandle_signal(int signum, struct sigaction *oldact);
+
#endif